<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title js的两种引用不能混用</title>


    <script type="text/javascript" src="../js/test.js">
        window.alert("script  里面的使用");
    </script>
    <script type="text/javascript">
        window.alert("只能在写一段js，才能其作用");
    </script>
</head>
<body>

</body>
</html>